Increase in alkaline phosphatase activity in cucumber roots during calcium starvation

Hideaki Matsumoto, Tomoyuki Yamaya

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Alkaline phosphatase activity in cucumber roots increased with calcium deficiency. However, acid phosphatase was scarcely affected by the treatment. Re-addition of calcium not only suppressed the continuous increase in alkaline phosphatase activity but also reduced the already formed activity.Alkaline phosphatase activity increased with a deficiency of calcium, phosphate, minor elements and iron in this order. Either cycloheximide or actinomycin D completely suppressed the increase in the activity caused by calcium deficiency.

Original languageEnglish
Pages (from-to)1137-1140
Number of pages4
JournalPlant and Cell Physiology
Issue number6
Publication statusPublished - 1981 Sep
Externally publishedYes


  • Alkaline phosphatase
  • Calcium deficiency
  • Cucumis sativus (root)
  • Inducible enzyme
  • Roots (alkaline phosphatase)

ASJC Scopus subject areas

  • Physiology
  • Plant Science
  • Cell Biology


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